@charset "utf-8";
*{
    margin:0;
    padding:0;
}
$fontSize:40;
@function r($p){
    @return $p/$fontSize*1rem;
}
@function f($fz) {
    @return $fz / 14 * 1em
}

html,body{
    width:100%;
    height:100%;
    overflow: hidden;
}
.web{ 
    position: relative;
    width:100%;
    height:100%;
    overflow: hidden;
    >header{
        height:r(197);
        display: flex;
        display: -webkit-flex;
        justify-content: space-between;
        align-items: center;
        >label{
            margin-left:r(48);
            // margin-bottom:50px;
            >span{
                width:33px;
                height:3px;
                display:block;
                background:#000;
                margin-top:7px;
               
            }
        }
        >.logo{
            width:150px;
            transition: width .5s ease-in-out;
            >img{
                width:100%;
            }
        }
        >label{
            display: inline-block;
            margin-right:r(48);
            // margin-bottom:35px;
        }
    }//header
    >.content{
        width:100%;
        margin: 0 auto;    
        padding-right: 30px;  
        position: absolute;
        left:0;
        bottom:0;
        top:r(197);
        right: -30px;
        overflow-x: hidden;
	    overflow-y: scroll;
        >.lianxi_box{
            margin:0 auto;
            width:r(1477);
            >.banner_box{
                width:100%;
                >img{
                    width:100%;
                }
            }
            >.middle_box{
                margin-top:r(173);
                display: flex;
                display: -webkit-flex;
                justify-content: space-between;
                align-items: center;
                >.left{
                    width:r(851);
                    >img{
                        width:100%;
                    }
                }
                >.right{
                    width: r(472);
                    >h1{
                        // font-weight: bold;
                    }
                    >p{
                        margin-top:r(47);
                        margin-bottom:r(108);
                        line-height: r(25);
                        font-size:r(20);
                        color:#292929;
                    }
                    >span{
                        display: inline-block;
                        padding:r(20) r(102);
                        border: 2px #292929 solid;
                        transition:background 1s ease,color 1s ease,border 1s ease;
                    }
                    >span:hover{
                        color:#fff;
                        background:#292929;
                        border:2px transparent solid;
                    }

                }
            } 
            >.middle_box2{
                margin-bottom:r(170);
                margin-top:r(173);
                display: flex;
                display: -webkit-flex;
                justify-content: space-between;
                align-items: center;
                >.left_left{
                    display: none;
                    width: 100%;
                    >img{
                        width:100%;
                    }
                }
                >.left{
                    width:r(472);
                    >h1{
                        // font-weight: bold;
                    }
                    >p{
                        margin-top:r(47);
                        margin-bottom:r(108);
                        line-height: r(25);
                        font-size:r(20);
                        color:#292929;
                    }
                    >span{
                        display: inline-block;
                        padding:r(20) r(102);
                        border: 2px #292929 solid;
                        transition:background 1s ease,color 1s ease,border 1s ease;
                    }
                    >span:hover{
                        color:#fff;
                        background:#292929;
                        border:2px transparent solid;
                    }
                }
                >.right{
                    width: r(851);
                    >img{
                        width:100%;
                    }
                    

                }
            }
        }//lianxi_box
     
  
        >.bg_img{
           
            position: relative;
            width:r(1920);
            >img{
                width:100%;
            }
            >footer{
                width:100%;
                display:flex;
                display:-webkit-flex;
                justify-content: space-around;
                align-items: center;
                background:rgba($color: #000000, $alpha: .5);
                position: absolute;
                bottom:0;
                padding-top:45px;
                padding-bottom:45px;
                >p{
                    font-size:11px;
                    color:#fff;
                }
                >div{
                    display: flex;
                    display:-webkit-flex;
                    >input{
                        display: none;
                    }
                    #jiantou_a:checked ~label{
                        transform: rotateZ(-90deg);
                    }
                   
                        >ul{
                            display: flex;
                            display:-webkit-flex;
                            display: none;
                            >li{
                                width:r(40);
                                >img{
                                    width:100%;
                                }
                            }
                        }
                    >label{
                        >span{
                            display: block;
                            width:r(35);
                            >img{
                                width:100%;
                            }
                        }
                    }
                }
            }
        }
    }//content
    .content::-webkit-scrollbar {display:none}
}//web


@media only screen and (max-width: 768px) {
    .web{ 
        position: relative;
        width:100%;
        height:100%;
        >header{
            height:50px;
            >.left{
                width:r(100);
                margin-left:r(48);
                >span{
                    width:100%;
                    height:3px;
                    display:block;
                    background:#000;
                    margin-top:5px;         
                }
            }
            >.logo{
                width:r(150);
                >img{
                    width:100%;
                }
            }
            >.right{  
                width:r(100);  
                margin-right:r(48);
                // margin-bottom:35px;
                >img{
                    width:100%;
                }
            }
        }//header
        >.content{
            width:100%;
            margin: 0 auto;      
            position: absolute;
            left:0;
            right: 0;
            bottom:0;
            top:r(197);
            overflow: auto;
            padding-right:0;
            >.lianxi_box{
                margin:0 auto;
                width:100%;;
                >.banner_box{
                    width:100%;
                    >img{
                        width:100%;
                    }
                }
                >.middle_box{
                    margin-top:r(173);
                    display: flex;
                    display: -webkit-flex;
                    justify-content: space-between;
                    align-items: center;
                    flex-wrap: wrap;
                    >.left{
                        width:100%;
                        >img{
                            width:100%;
                        }
                    }
                    >.right{
                        margin-top:10px;
                        text-align: center;
                        width: 100%;
                        >h1{
                            // font-weight: bold;
                            text-align: center;
                        }
                        >p{
                            text-align: center;
                            padding:0 10px;
                            margin-top:r(47);
                            margin-bottom:r(108);
                            line-height: 25px;
                            font-size:12px;
                            color:#292929;
                        }
                        >span{
                            margin: 0 auto;
                            display: inline-block;
                            padding:r(20) r(102);
                            border: 2px #292929 solid;
                        }
    
                    }
                } 
                >.middle_box2{
                    margin-bottom:r(170);
                    margin-top:r(173);
                    display: flex;
                    display: -webkit-flex;
                    flex-wrap: wrap;
                    justify-content: space-between;
                    align-items: center;
                    >.left_left{
                        display: inline-block;
                        width: 100%;
                        >img{
                            width:100%;
                        }
                    }
                    >.left{
                        margin-top:10px;
                        text-align: center;
                        width:100%;
                        >h1{
                            // font-weight: bold;
                            text-align: center;
                        }
                        >p{
                            text-align: center;
                            padding:0 10px;
                            margin-top:r(47);
                            margin-bottom:r(108);
                            line-height: 25px;
                            font-size:12px;
                            color:#292929;
                        }
                        >span{
                            margin: 0 auto;
                            display: inline-block;
                            padding:r(20) r(102);
                            border: 2px #292929 solid;
                        }
                    }
                    >.right{
                        display: none;
                        width: 100%;
                        >img{
                            width:100%;
                        }
                        
    
                    }
                }
            }//lianxi_box
         
      
            >.bg_img{
               
                position: relative;
                width:100%;
                >img{
                    width:100%;
                }
                >footer{
                    width:100%;
                    padding-top:20px;
                    padding-bottom:20px;
                    >p{
       
                    }
                    >div{
                   
                        >input{
                            display: none;
                        }
                        #jiantou_a:checked ~label{
                            transform: rotateZ(-90deg);
                        }
                       
                            >ul{
                                display: flex;
                                display:-webkit-flex;
                                display: none;
                                >li{
                                    width:r(60);
                                    >img{
                                        width:100%;
                                    }
                                }
                                
                            }
                        >label{
                            >span{
                                display: block;
                                width:r(35);
                                >img{
                                    width:100%;
                                }
                            }
                        }
                    }
                }//footer
            }
        }//content
        .content::-webkit-scrollbar {display:none}
    }//web
}